Base | Representation |
---|---|
bin | 100000111101110… |
… | …100111011010000 |
3 | 1102112201022001011 |
4 | 200331310323100 |
5 | 2113042002410 |
6 | 130514220304 |
7 | 16464042463 |
oct | 4075647320 |
9 | 1375638034 |
10 | 553078480 |
11 | 264220059 |
12 | 135284694 |
13 | 8a77a796 |
14 | 536512da |
15 | 3385018a |
hex | 20f74ed0 |
553078480 has 80 divisors (see below), whose sum is σ = 1308916224. Its totient is φ = 217313280.
The previous prime is 553078451. The next prime is 553078483. The reversal of 553078480 is 84870355.
553078480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×5530784802 = 611791610078220800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (553078483) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040745 + ... + 2041015.
Almost surely, 2553078480 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 553078480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654458112).
553078480 is an abundant number, since it is smaller than the sum of its proper divisors (755837744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
553078480 is a wasteful number, since it uses less digits than its factorization.
553078480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 644 (or 638 counting only the distinct ones).
The product of its (nonzero) digits is 134400, while the sum is 40.
The square root of 553078480 is about 23517.6206279462. The cubic root of 553078480 is about 820.8470723105.
The spelling of 553078480 in words is "five hundred fifty-three million, seventy-eight thousand, four hundred eighty".
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